From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48528) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aL6Gw-0007RC-M4 for qemu-devel@nongnu.org; Mon, 18 Jan 2016 04:38:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aL6Gt-0008Ox-FX for qemu-devel@nongnu.org; Mon, 18 Jan 2016 04:38:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57957) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aL6Gt-0008Or-A6 for qemu-devel@nongnu.org; Mon, 18 Jan 2016 04:38:47 -0500 Message-ID: <1453109923.23289.4.camel@redhat.com> From: Gerd Hoffmann Date: Mon, 18 Jan 2016 10:38:43 +0100 In-Reply-To: References: <1452608259.29014.26.camel@redhat.com> <20160112143640.GF4841@noname.redhat.com> <20160112145655.GO17626@redhat.com> <1452701626.11179.3.camel@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 Subject: Re: [Qemu-devel] usb-storage assertions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrey Korolyov Cc: Kevin Wolf , hdegoede@redhat.com, "qemu-devel@nongnu.org" On Fr, 2016-01-15 at 21:08 +0300, Andrey Korolyov wrote: > Just checked, Linux usb driver decided to lose a disk during a > 'stress-test' over unpacking linux source instead of triggering an > assertion in 2.5 (and to irreparably damage its ext4 as well), Ok, so behavior changed here from 2.2 -> 2.5. I don't see disk corruption in my tests, but linux guest resets the usb-storage device now and then. Seems to be able to resume operations though, there are no disk errors in the logs. > NetBSD > 7.0 reboot action hangs on USB_RESET and NetBSD 5.1 triggers second of > mentioned asserts. Backend itself is a regular USB2-SATA adapter with > Intel S3500 SSD, hence it should not trigger first timing-related > assertion at all. ok. Had no trouble with freebsd, will go fetch netbsd images. What arch is this? i386? x86_64? cheers, Gerd